Ultraviolet is the most sophisticated web proxy available — completely free, online, and unblocked. Our ultraviolet web proxy uses cutting-edge service worker technology to bypass any restriction. Browse ultraviolet proxy websites, access blocked ultraviolet proxy sites, and stay private — all from your browser, no downloads needed.
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Use Ultraviolet Proxy free, online — the #1 ultraviolet proxy website for unblocked access to any site. No registration. No limits.
🔒 Your connection is encrypted and private. No logs are ever stored.
Built with cutting-edge service worker technology, this ultraviolet web proxy — one of the most sophisticated web proxy tools online — delivers the fastest, most secure ultraviolet proxy browser experience. Access any ultraviolet proxy sites or websites instantly, from any device.
Advanced leak prevention and URL encoding protect your identity. Browse with confidence knowing your data is shielded from prying eyes.
Client-side processing delivers near-native browsing speeds. No more sluggish proxy connections — experience the web as it was meant to be.
Bypass geo-restrictions and censorship from anywhere on earth. Access any website, any service, from any location — no boundaries.
Full hCAPTCHA and reCAPTCHA compatibility means seamless browsing without interruptions. No broken pages, no frustration.
Works entirely in your browser using service workers. No downloads, no extensions, no system changes — just instant, unrestricted access.
We never store your browsing history, IP addresses, or personal data. Your privacy is not just a feature — it's our foundation.
Getting started takes less than 10 seconds. No sign-up required.
Type or paste any website address into the search bar above.
Our technology intercepts and rewrites requests client-side.
Your connection is routed through an encrypted, secure pathway.
Enjoy unrestricted, fast, and private browsing instantly.

Need an ultraviolet proxy for school, work, or travel? Ultraviolet is the ultimate ultraviolet proxy unblocker — it breaks through every firewall and content filter with ease, delivering a truly unblocked browsing experience.

In an era of mass surveillance, Ultraviolet stands as your digital shield. We believe privacy is a fundamental right, not a luxury.
Start free and upgrade anytime. No credit card required.
Join over 2 million users who trust Ultraviolet for unrestricted browsing.
"Ultraviolet is hands down the fastest proxy I've ever used. It loads pages almost instantly and bypasses every filter at my university."
"As a developer, I appreciate the open-source architecture. The service worker approach is genius — it's elegant, fast, and incredibly reliable."
"I travel frequently and Ultraviolet has been a lifesaver for accessing content from back home. The privacy features give me peace of mind."
Ultraviolet is an advanced web proxy that uses service worker technology to intercept and rewrite HTTP requests directly in your browser. It allows you to bypass internet restrictions, access blocked content, and browse privately — all without installing any software.
Yes. Ultraviolet features built-in leak prevention, URL encoding, and runs entirely client-side in your browser. We maintain a strict no-log policy and never store any user data, browsing history, or IP addresses.
Unlike a VPN which encrypts all device traffic and requires software installation, Ultraviolet operates within your browser tab using service workers. It's faster to set up, requires no downloads, and is specifically optimized for bypassing web content filters.
Absolutely! The Ultraviolet Proxy app works directly in any modern browser — Chrome, Firefox, Safari, Edge — on both desktop and mobile. No separate app download is needed since it functions as a full browser-based proxy app right from our website.
Ultraviolet uses advanced URL encoding and obfuscation techniques to minimize detection. While no proxy can guarantee 100% undetectability, Ultraviolet is designed to be extremely difficult for standard network monitoring tools to identify.
Yes! Our basic proxy service is completely free with 5GB monthly bandwidth. For unlimited bandwidth, premium speeds, and advanced features, check out our Pro and Enterprise plans.
If Ultraviolet Proxy is not working, try these fixes: clear your browser cache and cookies, disable browser extensions that may interfere (especially other proxy or VPN extensions), or switch to a different browser. Service workers occasionally need to be re-registered — a hard refresh (Ctrl+Shift+R) usually resolves this. If issues persist, your network may have updated its blocklist; try accessing from a different connection or join our Discord community for live support.
The Ultraviolet Proxy Reddit community is a great place to find working proxy sites, share tips, and stay updated on new versions. The Ultraviolet Proxy Discord server offers real-time help, announcements, and a direct line to the development team. Search "Ultraviolet Proxy" on both platforms to find the active communities and get social proof from thousands of verified users.
Common Ultraviolet Proxy alternatives include Corrosion, Rammerhead, and Womginx — all service-worker-based web proxies. There are also many ultraviolet proxy sites and mirror websites that run the same technology. However, Ultraviolet remains the most actively maintained and sophisticated web proxy, with superior CAPTCHA support, blazing speed, and broad compatibility with modern websites.
The name "Ultraviolet" refers to the invisible, beyond-normal-spectrum nature of the proxy — it operates unseen inside your browser. Ultraviolet is used as an advanced web proxy to bypass internet censorship, unblock restricted websites, and browse privately without installing any software. It is widely used as a free ultraviolet proxy app for school networks, workplace content filters, geo-restricted streaming, and general private browsing.
Join over 2 million users who have already reclaimed their internet freedom. No sign-up required — start browsing in seconds.
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